Milpitas, CA 95132 Frost Dates
Milpitas, CA: when does the frost end?
Around 01/02 is the usual last spring frost, about 127 days away. Fall's first freeze usually shows up around 12/25, roughly 362 days after the last spring frost.
Zone 9b (25 to 30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Milpitas, not a forecast for this year.
Stretching the season past the first frost
With roughly 17 weeks until Milpitas's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Milpitas's last frost
01/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/14 and only about 1 year in 10 sees frost after that.
Milpitas against the rest of the dataset
At roughly 362 frost-free days, Milpitas places 2,064 of 40,283 ZIP codes in this dataset. Within CA, it ranks 950 of 2,555.
Learn more
Before leaning on 95132's figures: local microclimates explains what one yard in Milpitas can differ from the 95132 normal, while zone vs. frost date explains why Zone 9b and Milpitas's frost date answer different questions.